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Cloud Computing ConcernsSecurity and Privacy are perhaps the biggestconcerns in a cloud computing environment.The idea of handing over important data toanother company worries some people.Corporate executives might hesitate to takeadvantage of a cloud computing systembecause they can't keep their company'sinformation under lock and key.San Jose, California(CNN) says, “I keepthousands of photoson Flickr. I've also gotthem on Facebookand tucked away infive years of Gmail messages. My videos areon 12seconds and YouTube I've blogged fromMadagascar on Blogger; my tech writing is onWordPress; and I post random snippets of infoon Tumblr and Twitter. This is not just data.It's my life. And I would be sick if I lost it or inany way tampered with. Previous generationsstored their family photos and importantdocuments in safety deposit boxes or underthe mattress. Here it is 2009, and I have noidea where my data lives.”This is the main issue with cloud computingthat we do not know where our data is keptand whether it is well secured or will itssecurity and privacy will be compromised atsome point of time Privacy is another matter.If a client can log in from any location toaccess data and applications, it's possible theclient's privacy could be compromised. Cloudcomputing companies will need to find waysto protect client privacy. One way is to useauthentication techniques such as user namesand passwords. Another is to employ anauthorization format ‐‐ each user can accessonly the data and applications relevant to hisor her job.The Road AheadHow will cloud computing affect otherindustries? There's a growing concern in the ITindustry about how cloud computing couldimpact the business of computer maintenanceand repair. If companies switch to usingstreamlined computer systems, they'll havefewer IT needs. Some industry experts believethat the need for IT jobs will migrate to theback end of the cloud computingsystem.Cloud computing offers realalternatives to IT departments for improvedflexibility and lower cost. Markets aredeveloping for the delivery of softwareapplications, platforms, and infrastructure as aservice to IT departments over the “cloud”.These services are readily accessible on a payper‐usebasis and offer great alternatives tobusinesses that need the flexibility to rentinfrastructure on a temporary basis or toreduce capital costs. So will Cloud Computingprove to be a boon for the IT industry or willcome out as a bane, time will only tell.References:[1] An Oracle White Paper in EnterpriseArchitecture, August 2009, “ArchitecturalStrategies for Cloud Computing”[2] An RPath white paper, “ApplicationArchitecture for Cloud Computing”8
[ RELIABILITY AND SECURITY OF CLOUD COMPUTING ]Achintya AgarwalCloud computing has become the fastestpotential sector in Information Technology.Who would say no to IT infrastructure withoutthe attached high capital expenditures?Businesses do not have to bother with theintricacies of managing infrastructure which isnot utilised fully. With typical usage patternsof servers in a Data Center way less than full,businesses are be sick of paying for somethingused only for occasional load spikes. Cloudcomputing has come as a boon for bothproviders and customers. The term ‘cloudcomputing’ is relatively new while the actualconcepts behind it have existed from the1990’s.server hosting multiple client virtual serverscrashes [2] ; Amazon had a major power outragein May 2010 [3] which left some of itscustomers offline; A software glitch causedAmazon’s Storage Services to go offline [4] ;Gmail has regular outages occurring morethan once to twice a year [2][5][6] ; Google AppEngine suffered an outage in February 2010due to a power failure [1] ; an Australiancompany called Datacom suffered a majoroutage due to a power failure in March 2010[1] ; Microsoft subsidiary, Danger, sufferedmajor data losses due to a power failure inOctober 2010 where the data was for thecloud enabled Sidekick mobile phone [7] . Theseare just a few scenarios which have happenedin the past.The two biggest sore points of CloudComputing are the reliability of the servicesand the security of the data within. Reliabilityrelates to the uptime of all the services onesubscribes to and security relates to the datastored at the provider end being secure andinaccessible to third parties. There arenumerous examples of the cloud service goingdown.ReliabilityAmazon’s Elastic Cloud Compute service goesdown [1] ; Rackspace, a major hosting provider’sThese incidents point out that trusting your(virtual) hardware, software or data to a thirdparty provider is just not a viable option formost companies. The SLA’s provided by mostproviders come with major riders and hiddenclauses, and are almost never adhered to.Services like the Chrome OS, which are littlemore than a thin client on steroids, areheavily dependent upon the cloud. T‐Mobile’s Sidekick mobile is completely cloudbased. All the data would be stored on the9
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